Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC5ZA callsign genealogy
Currently held by Schoeneberger, Carl F
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by AC5ZA's current licensee, walking backwards.
- SCHOENEBERGER, CARL FTXgranted 1998-12-02cancelled 2000-06-28
Successor callsigns
Callsigns held now by people who previously held AC5ZA.
- Schoeneberger, Carl FTXgranted 2020-05-05